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Write a balanced equation using the correct formulas and include conditions ( s, l, g, or aq) for each of the following reactions:
a. Solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas.
b. Nitrogen oxide gas reacts with carbon monoxide gas to produce nitrogen gas and carbon dioxide gas.
c. Iron metal reacts with solid sulfur to produce solid iron( III) sulfide.
d. Solid calcium reacts with nitrogen gas to produce solid calcium nitride.
e. In the Apollo lunar module, hydrazine gas, N2H4, reacts with dinitrogen tetroxide gas to produce gas?
Question- Nature chooses amide bond as its peptide bond. To better understand scientists synthesized artificial protein mimics that were linked by ester bonds instead of amide functionality. They found that these mimcs did not form highly organize..
Mass of sodium acetate: 3.472 g pH of Original buffer solution: 4.72 ph of buffer + 6 M HCl: 3.99 ph Buffer + 6 M NaOH: 5.23 And I need help showing calculations on pH of buffer solution, buffer + HCl, and buffer + NaOH
Use the tabulated half-cell potentials to calculate delta G for the following balanced redox reaction. Pb2+(aq) + Cu(s) --> Pb(s) + Cu2+(aq)
what is the mole fraction of ethanol, C2H5OH, in a solution of 47.5 grams of C2H5OH in 85 grams of water
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done
Problem- You are titrating 150.0 mL of 0.070 M Ca2 with 0.070 M EDTA at pH 9.00. Log Kf for the Ca2 -EDTA complex is 10.65, and the fraction of free EDTA in the Y4 form, Y4â, is 0.041 at pH 9.00.
Calculate the potential of each electrode relative to a standard hydrogen electrode at 25 degree C. Predict the chemical reactionthat will occur when these two electrodes are connected and a salt bridge is used to join the two solutions together.
what will be the heat capacity of a constant pressure, coffee-cup calorimeter that contains 100.0 ml of 3.0 M HCl solution? the density of the sloution is 1.098 g/mL, the specific heat capacity of the HCl solution is 4.1 J/gK and the heat capacity..
A certain amount of gas at 28.0 degrees C and at a pressure of .900 atm is contained in a glass vessel. suppose that the vessel can withstand a pressure of 2.05 atm. how high can you raise the temperature of the gas without bursting the vessel
Calculate the entropy change for vaporization of 18 g of H2O. The molar enthalpy of vaporization for water is 44 kJ/mol and the boiling point
What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm. what is the translational energy of the molecule in J mol-1
calculate the value of theequilibrium constantkeqfor the above reaction at 298.15kelvin? use the standard gibbs free
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